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Model Context Protocol VS OpenAPI_

As of 30 October 2026, OpenAPI is named by 1,052 companies and Model Context Protocol by 3,710; Model Context Protocol skews to companies under 200 people (42% vs 42%), OpenAPI to companies over 1,000 (36% vs 31%).

As of 30 October 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.

The website-and-DNS footprint is not comparable between a marketing suite and a CRM: Model Context Protocol's script and mail records show on hundreds of thousands of small sites, OpenAPI rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.

Model Context Protocol: 2–200 employees
42%
OpenAPI: 2–200 employees
42%
Model Context Protocol: 1,000+ employees
31%
OpenAPI: 1,000+ employees
36%
Postings per company, 90 days
3.2 · 2.5
Website or DNS footprint
0 · 0
3,710companies name Model Context Protocol
1,052companies name OpenAPI
0name both
11,870 · 2,660postings in 90 days, Model Context Protocol · OpenAPI
02 — Side by side

Who chooses which

Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.

By company size
SegmentModel Context ProtocolshareOpenAPIshareLeans
Self-employed642%121%even
2-10 employees2527%606%even
11-50 employees49013%15415%even
51-200 employees80022%22521%even
201-500 employees54815%13813%even
501-1000 employees40811%888%Model Context Protocol
1001-5000 employees61216%18918%even
5001-10000 employees1604%565%even
10,001+ employees37610%13012%OpenAPI
By industry
SegmentModel Context ProtocolshareOpenAPIshareLeans
Technology & software1,93152%56153%even
Business & finance services78121%25825%OpenAPI
Manufacturing & industry2767%636%even
Media & content1454%283%even
Commerce & trade993%182%even
Consumer services & leisure852%162%even
Utilities & infrastructure852%262%even
Public, community & associations822%121%even
Health care672%182%even
Transport, logistics & rental501%162%even
Property & construction481%111%even
Automotive301%151%even
By country
SegmentModel Context ProtocolshareOpenAPIshareLeans
United States2,39164%53951%Model Context Protocol
United Kingdom2858%959%even
Germany2126%676%even
Canada1063%293%even
France1033%485%even
India521%252%even
Netherlands521%121%even
Sweden421%––outside top 12
Australia411%162%even
Spain331%192%even
Brazil321%182%even
Poland321%222%even
Switzerland––283%outside top 12
Postings by team (share of each tool's postings)
SegmentModel Context ProtocolshareOpenAPIshareLeans
Data & AI4,80533%2046%Model Context Protocol
Software engineering4,10128%2,25067%OpenAPI
IT operations & business systems1,44010%2718%even
Product, program & project management6595%943%even
Sales4613%221%Model Context Protocol
Engineering (non-software)2051%291%even
Marketing & communications1711%––outside top 12
Customer service & success1461%160%even
Design & UX1091%30%even
General management & consulting761%––outside top 12
Finance & accounting630%––outside top 12
Business development & strategy620%––outside top 12
arts media and entertainment––431%outside top 12
Quality, safety & environment––80%outside top 12
Legal, compliance & risk––40%outside top 12
construction and civil––30%outside top 12
Cite this

Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.

OpenAPI is named by 1,052 companies in job postings and Model Context Protocol by 3,710; 0 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/model-context-protocol-vs-openapi)
How we know

Read from the source, not self-reported

Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →

  • Job postingsRead hourly from career sites. A tool counts when the employer's own text names it as the team's system; both tools can count for one company.
  • Website and DNSScripts and embeds on the company's pages, plus SPF, DKIM, MX and CNAME records of its domain that point at the vendor.
  • SegmentsCountry, size and industry from the company profile built from its website.
  • Not a reviewNo ratings, prices or feature claims. For those, read the vendors.
FAQ

Model Context Protocol vs OpenAPI: questions

Which is more used, Model Context Protocol or OpenAPI?

By companies naming it in their own job postings, Model Context Protocol (3,710) over OpenAPI (1,052). By website-and-DNS footprint, OpenAPI (0 vs 0), because its scripts and mail records sit on many small company sites.

Who chooses Model Context Protocol?

42% of Model Context Protocol companies have 2 to 200 employees, against 42% for OpenAPI. 31% of Model Context Protocol companies have over 1,000 employees, against 36% for OpenAPI.

Do companies run both?

0 companies name both in their postings, usually Model Context Protocol in marketing and OpenAPI in sales, or during a migration.

Where do these numbers come from?

From the employer's own text in job postings read hourly from career sites, and from scripts found on company websites in our crawl. No vendor data, no surveys.

Companies and people

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